Shower base



FIG. 1 is a front perspective view of a shower base showing our newdesign;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a side view of the opposite side of FIG. 4; and,

FIG. 6 is a top view thereof.

The shower base is shown with symbolic breaks in its length. Theappearance of any portion of the article between the break lines formsno part of the claimed design.

The broken lines shown in the drawings illustrate portions of a showerbase that form no part of the claimed design.

CLAIM We claim the ornamental design for a shower base, as shown anddescribed.